Question
Age range, years 18-28 29-39 40-50 51-61 62 and over Midpoint x 23 34 45 56 67 Percent of super shoppers 8% 47% 19% 9%
| Age range, years | 18-28 | 29-39 | 40-50 | 51-61 | 62 and over |
|---|---|---|---|---|---|
| Midpoint x | 23 | 34 | 45 | 56 | 67 |
| Percent of super shoppers | 8% | 47% | 19% | 9% | 17% |
Compute the expected age of a super shopper. (Round your answer to two decimal places.)
Compute the standard deviation for ages of super shoppers. (Round your answer to two decimal places.)
How do I do this? Thanks in advance!
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Discrete Structures, Logic, And Computability
Authors: James L Hein
3rd Edition
1449615279, 9781449615277
